llvm-6502/lib/Target/MSP430/MSP430RegisterInfo.h
Evan Cheng 0e6a052331 Sink getDwarfRegNum, getLLVMRegNum, getSEHRegNum from TargetRegisterInfo down
to MCRegisterInfo. Also initialize the mapping at construction time.

This patch eliminate TargetRegisterInfo from TargetAsmInfo. It's another step
towards fixing the layering violation.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135424 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-18 20:57:22 +00:00

67 lines
2.0 KiB
C++

//===- MSP430RegisterInfo.h - MSP430 Register Information Impl --*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This file contains the MSP430 implementation of the MRegisterInfo class.
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_TARGET_MSP430REGISTERINFO_H
#define LLVM_TARGET_MSP430REGISTERINFO_H
#include "llvm/Target/TargetRegisterInfo.h"
#define GET_REGINFO_HEADER
#include "MSP430GenRegisterInfo.inc"
namespace llvm {
class TargetInstrInfo;
class MSP430TargetMachine;
struct MSP430RegisterInfo : public MSP430GenRegisterInfo {
private:
MSP430TargetMachine &TM;
const TargetInstrInfo &TII;
/// StackAlign - Default stack alignment.
///
unsigned StackAlign;
public:
MSP430RegisterInfo(MSP430TargetMachine &tm, const TargetInstrInfo &tii);
/// Code Generation virtual methods...
const unsigned *getCalleeSavedRegs(const MachineFunction *MF = 0) const;
BitVector getReservedRegs(const MachineFunction &MF) const;
const TargetRegisterClass* getPointerRegClass(unsigned Kind = 0) const;
const TargetRegisterClass *
getMatchingSuperRegClass(const TargetRegisterClass *A,
const TargetRegisterClass *B, unsigned Idx) const {
// No sub-classes makes this really easy.
return A;
}
void eliminateCallFramePseudoInstr(MachineFunction &MF,
MachineBasicBlock &MBB,
MachineBasicBlock::iterator I) const;
void eliminateFrameIndex(MachineBasicBlock::iterator II,
int SPAdj, RegScavenger *RS = NULL) const;
void processFunctionBeforeFrameFinalized(MachineFunction &MF) const;
// Debug information queries.
unsigned getFrameRegister(const MachineFunction &MF) const;
};
} // end namespace llvm
#endif // LLVM_TARGET_MSP430REGISTERINFO_H